| Mason City to Allison Park (Pennsylvania) | 703.30 mi (1,131.84 km) |
| Mason City to Allouez (Wisconsin) | 273.63 mi (440.37 km) |
| Mason City to Aloha (Oregon) | 1,467.26 mi (2,361.33 km) |
| Mason City to Alpena (Michigan) | 501.74 mi (807.47 km) |
| Mason City to Alpharetta (Georgia) | 789.99 mi (1,271.37 km) |
| Mason City to Alpine (California) | 1,459.77 mi (2,349.28 km) |
| Mason City to Alpine (Utah) | 972.25 mi (1,564.68 km) |
| Mason City to Alsip (Illinois) | 296.75 mi (477.58 km) |
| Mason City to Altadena (California) | 1,473.15 mi (2,370.81 km) |
| Mason City to Altamont (Oregon) | 1,443.54 mi (2,323.15 km) |
| Mason City to Altamonte Springs (Florida) | 1,196.59 mi (1,925.73 km) |
| Mason City to Alton (Illinois) | 333.50 mi (536.72 km) |
| Mason City to Alton (Texas) | 1,199.91 mi (1,931.07 km) |
| Mason City to Altoona (Iowa) | 104.64 mi (168.40 km) |
| Mason City to Altoona (Pennsylvania) | 782.32 mi (1,259.01 km) |
